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    Thermographic recording elements
    1.
    发明授权
    Thermographic recording elements 有权
    热成像记录元件

    公开(公告)号：US06177240B1

    公开(公告)日：2001-01-23

    申请号：US09193241

    申请日：1998-11-17

    申请人： Kohzaburoh Yamada ,  Hiroyuki Suzuki ,  Toshihide Ezoe

    发明人： Kohzaburoh Yamada ,  Hiroyuki Suzuki ,  Toshihide Ezoe

    IPC分类号： G03C1498

    CPC分类号： G03C1/49845 ,  G03C1/49863 ,  G03C2200/33 ,  G03C2200/36

    摘要： A thermographic recording element having an image forming layer contains an organic silver salt, a reducing agent, an optional photosensitive silver halide, and a specific nucleating agent. The element has high Dmax, high sensitivity, satisfactory contrast, and minimal dependency of photographic properties on developing conditions.

    摘要翻译： 具有图像形成层的热成像记录元件包含有机银盐，还原剂，任选的感光卤化银和特定的成核剂。 该元件具有高Dmax，高灵敏度，令人满意的对比度以及照相特性对显影条件的最小依赖性。

    Hydrazine compound and silver halide photographic light-sensitive material using the same
    8.
    发明授权
    Hydrazine compound and silver halide photographic light-sensitive material using the same 失效
    肼化合物和卤化银照相感光材料使用相同

    公开(公告)号：US5981138A

    公开(公告)日：1999-11-09

    申请号：US923417

    申请日：1997-09-04

    申请人： Hiroyuki Suzuki ,  Kohzaburoh Yamada ,  Hiroshi Takeuchi ,  Toshihide Ezoe ,  Takashi Hoshimiya

    发明人： Hiroyuki Suzuki ,  Kohzaburoh Yamada ,  Hiroshi Takeuchi ,  Toshihide Ezoe ,  Takashi Hoshimiya

    IPC分类号： G03C1/06 ,  G03C1/08 ,  C07D213/42 ,  C07D213/70 ,  C07D235/06

    CPC分类号： G03C1/08 ,  G03C1/061

    摘要： A hydrazine compound represented by the following formula (I):Ar.sub.1 --NH--NH--G.sub.1 --R.sub.1 (I)wherein Ar.sub.1 represents an aromatic group; G.sub.1 represents a carbonyl group, a sulfonyl group, a sulfoxy group, a phosphoryl group, an oxalyl group or an iminomethylene group; R.sub.1 represents a hydrogen atom or a block group; and at least one of Ar.sub.1 and R.sub.1 has a group represented by the following formula (II): ##STR1## wherein * represents a bond for connecting directly or through a liking group to Ar.sub.1 or R.sub.1 ; Z represents a nonmetallic atom group capable of forming a 5- or 6-membered unsaturated heterocyclic ring having a conjugated positive charge; and X.sup.- represents --O.sup.-, --S.sup.- or --N.sup.- --R.sub.2, wherein R.sub.2 represents an alkyl group, an alkenyl group, an alkynyl group, an aryl group or a heterocyclic group. Also disclosed is a silver halide photographic light-sensitive material containing the hydrazine compound.

    摘要翻译： 由下式（I）表示的肼化合物：Ar1-NH-NH-G1-R1（Ⅰ）其中Ar1表示芳族基团; G1表示羰基，磺酰基，亚砜氧基，磷酰基，草酰基或亚氨基亚甲基; R1表示氢原子或嵌段基团; 并且Ar 1和R 1中的至少一个具有由下式（II）表示的基团：其中*表示直接连接或通过嵌合基团与Ar 1或R 1连接的键; Z表示能够形成具有共轭正电荷的5-或6-元不饱和杂环的非金属原子团; 并且X表示-O - ， - S-或-N-R 2，其中R 2表示烷基，烯基，炔基，芳基或杂环基。 还公开了含有肼化合物的卤化银照相感光材料。

    Thermographic recording element
    9.
    发明授权
    Thermographic recording element 失效
    热成像记录元件

    公开(公告)号：US06277554B1

    公开(公告)日：2001-08-21

    申请号：US09309305

    申请日：1999-05-11

    申请人： Kohzaburoh Yamada ,  Hiroyuki Suzuki ,  Toshihide Ezoe

    发明人： Kohzaburoh Yamada ,  Hiroyuki Suzuki ,  Toshihide Ezoe

    IPC分类号： G03C1498

    CPC分类号： G03C1/49845 ,  G03C1/061

    摘要： In a thermographic recording element comprising an organic silver salt, a photosensitive silver halide, and a reducing agent, there are further included a specific compound and a hydrazine derivative. The element exhibits a high contrast and the minimized dependency of photographic properties on developing temperature.

    摘要翻译： 在包含有机银盐，光敏卤化银和还原剂的热敏记录元件中，还包括特定化合物和肼衍生物。 该元件表现出高对比度和照相特性对显影温度的最小化依赖性。

    Heat-developable photosensitive material
    10.
    发明授权
    Heat-developable photosensitive material 有权
    热显影感光材料

    公开(公告)号：US06344313B1

    公开(公告)日：2002-02-05

    申请号：US09538727

    申请日：2000-03-30

    申请人： Takahiro Goto ,  Toshihide Ezoe ,  Hiroyuki Suzuki ,  Minoru Sakai ,  Hideki Maeta ,  Nobuaki Inoue ,  Masaru Takasaki

    发明人： Takahiro Goto ,  Toshihide Ezoe ,  Hiroyuki Suzuki ,  Minoru Sakai ,  Hideki Maeta ,  Nobuaki Inoue ,  Masaru Takasaki

    IPC分类号： G03C1498

    CPC分类号： G03C1/49845

    摘要： An object of the present invention is to provide a heat-developable photosensitive material of improved fluctuation of photographic performance (sensitivity, Dmin) arisen from fluctuation of development temperature condition (temperature, time) and storage time after heat development. According to the present invention, there is provided a heat-developable photosensitive material, wherein the photosensitive material comprises, on a support, an image-forming layer containing at least (a) non-photosensitive organic silver salt, (b) photosensitive silver halide, (c) a reducing agent, and (d) a binder, and a protective layer on the image-forming layer, polymer latexes are used as binders of the image-forming layer and the protective layer, and the photosensitive material further comprises, on the image-forming layer side, (e) a nucleating agent and (f) one or more compounds represented by the following formula (1): wherein, in the formula (1), Z1 and Z2 each independently represent a halogen atom, X1 represents a hydrogen atom or an electron withdrawing group, Y1 represents —CO— group or —SO2— group, Q represents an arylene group which may have a substituent or a divalent heterocyclic group which may have a substituent, L represents a linking group, W represents carboxyl group or a salt thereof, slufo group or a salt thereof, phosphoric acid group, hydroxyl group, a quaternary ammonium group, or a polyethyleneoxy group, and n represents 0 or 1.

    摘要翻译： 本发明的目的是提供一种由显影温度条件（温度，时间）的波动和热显影后的储存时间引起的照相性能（灵敏度，Dmin）变动波动的热显影感光材料。 根据本发明，提供了一种热显影感光材料，其中感光材料在载体上包含至少含有（a）非光敏有机银盐的图像形成层，（b）感光卤化银 ，（c）还原剂，和（d）粘合剂和图像形成层上的保护层，聚合物胶乳用作图像形成层和保护层的粘合剂，并且感光材料还包含， 在成像层侧，（e）成核剂和（f）一种或多种由下式（1）表示的化合物：其中，在式（1）中，Z1和Z2各自独立地表示卤素原子， X1表示氢原子或吸电子基，Y1表示-CO-基或-SO2-基，Q表示可具有取代基的亚芳基或可具有取代基的2价杂环基，L表示连接基， W代表羧基 基团或其盐，slufo基团或其盐，磷酸基，羟基，季铵基或聚乙烯氧基，n表示0或1。